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2020-04-25Auto merge of #71439 - Mark-Simulacrum:stage0-next, r=jonas-schievinkbors-1/+1
Bump bootstrap compiler This bumps the bootstrap compiler and the rustfmt that x.py fmt uses.
2020-04-25Bump bootstrap compilerMark Rousskov-1/+1
2020-04-22Sort `MultiSpan`s on creationEsteban Küber-1/+2
2020-04-11Normalize source when loading external foreign source into SourceMapArlo Siemsen-1/+3
The compiler normalizes source when reading files initially (removes BOMs, etc), but not when loading external sources. Fixes #70874 by normalizing when loading external sources too. Adds a test to verify normalization.
2020-04-02Add hash of source files in debug infoArlo Siemsen-12/+77
* Adds either an MD5 or SHA1 hash to the debug info. * Adds new unstable option `-Z src-hash-algorithm` to control the hashing algorithm.
2020-03-30rustc -> rustc_middle part 1Mazdak Farrokhzad-1/+1
2020-03-26pacify the merciless x.py fmtNiko Matsakis-35/+7
2020-03-26introduce `negative_impls` feature gate and documentNiko Matsakis-7/+36
They used to be covered by `optin_builtin_traits` but negative impls are now applicable to all traits, not just auto traits. This also adds docs in the unstable book for the current state of auto traits.
2020-03-23Split long derive lists into two derive attributes.Ana-Maria Mihalache-12/+2
2020-03-20parse/lexer: support `StringReader::retokenize` called on external files.Eduard-Mihai Burtescu-3/+3
2020-03-18Properly handle Spans that reference imported SourceFilesAaron Hill-21/+40
Previously, metadata encoding used DUMMY_SP to represent any spans that referenced an 'imported' SourceFile - e.g. a SourceFile from an upstream dependency. These leads to sub-optimal error messages in certain cases (see the included test). This PR changes how we encode and decode spans in crate metadata. We encode spans in one of two ways: * 'Local' spans, which reference non-imported SourceFiles, are encoded exactly as before. * 'Foreign' spans, which reference imported SourceFiles, are encoded with the CrateNum of their 'originating' crate. Additionally, their 'lo' and 'high' values are rebased on top of the 'originating' crate, which allows them to be used with the SourceMap data encoded for that crate. The `ExternalSource` enum is renamed to `ExternalSourceKind`. There is now a struct called `ExternalSource`, which holds an `ExternalSourceKind` along with the original line number information for the file. This is used during `Span` serialization to rebase spans onto their 'owning' crate.
2020-03-17Add requisite feature gates for const assertDylan MacKenzie-0/+3
2020-03-16hygiene: `modern` -> `normalize_to_macros_2_0`Vadim Petrochenkov-6/+6
`modern_and_legacy` -> `normalize_to_macro_rules`
2020-03-14Rollup merge of #69802 - matthiaskrgr:cl1ppy, r=Dylan-DPCYuki Okushi-5/+1
fix more clippy findings * reduce references on match patterns (clippy::match_ref_pats) * Use writeln!(fmt, "word") instead of write!(fmt, "word\n") (clippy::write_with_newline) * libtest: remove redundant argument to writeln!() (clippy::writeln_empty_string) * remove unneeded mutable references (cippy::unnecessary_mut_passed) * libtest: declare variables as floats instead of casting them (clippy::unnecessary_cast) * rustdoc: remove redundant static lifetimes (clippy::redundant_static_lifetimes) * call .as_deref() instead of .as_ref().map(Deref::deref) (clippy::option_as_ref_deref) * iterate over a maps values directly. (clippy::for_kv_map) * rustdoc: simplify boolean condition (clippy::nonminimal_bool) * Use ?-operator in more places (clippy::question_mark, had some false negatives fixed recently) * rustdoc: Use .any(p) instead of find(p).is_some(). (clippy::search_is_some) * rustdoc: don't call into_iter() on iterator. (clippy::identity_conversion)
2020-03-10Store `TokenStream` in `rmeta::MacroDef`.Mazdak Farrokhzad-21/+1
This removes a hack from `load_macro_untracked` in which parsing is used.
2020-03-07Use ?-operator in more places (clippy::question_mark, had some false ↵Matthias Krüger-5/+1
negatives fixed recently)
2020-02-29Make it build againVadim Petrochenkov-1/+1
2020-02-28use is_empty() instead of len() == x to determine if structs are empty.Matthias Krüger-1/+1
2020-02-18Fix race condition when allocating source files in SourceMapJohn Kåre Alsaker-6/+4
2020-02-11Rollup merge of #66498 - bjorn3:less_feature_flags, r=Dylan-DPCDylan DPC-2/+0
Remove unused feature gates I think many of the remaining unstable things can be easily be replaced with stable things. I have kept the `#![feature(nll)]` even though it is only necessary in `libstd`, to make regressions of it harder.
2020-02-09Update for #68718bjorn3-0/+1
2020-02-08Move librustc_hir/def_id.rs to librustc_span/def_id.rsAaron Hill-1/+3
For noww, librustc_hir re-exports the `def_id` module from librustc_span, so the rest of rustc can continue to reference rustc_hir::def_id
2020-02-07Remove unused feature gates from libsyntax_posbjorn3-3/+0
2020-01-26rustc_span: return an impl Iterator instead of a Vec from macro_backtrace.Eduard-Mihai Burtescu-15/+18
2020-01-26rustc_span: replace MacroBacktrace with ExpnData.Eduard-Mihai Burtescu-18/+2
2020-01-26rustc_span: move pretty syntax from macro_backtrace to ExpnKind::descr.Eduard-Mihai Burtescu-11/+1
2020-01-12Rollup merge of #68045 - Centril:liberate-lints, r=Mark-SimulacrumMazdak Farrokhzad-0/+5
Move more of `rustc::lint` into `rustc_lint` Based on https://github.com/rust-lang/rust/pull/67806. Here we try to consolidate more of the linting infra into `rustc::lint`. Some high-level notes: - We now store an `Lrc<dyn Any + Send + Sync>` as opposed to `Lrc<LintStore>` in the `GlobalCtxt`. This enables us to avoid referring to the type, breaking a cyclic dependency, and so we can move things from `rustc::lint` to `rustc_lint`. - `in_derive_expansion` is, and needs to, be moved as a method on `Span`. - We reduce the number of ways on `tcx` to emit a lint so that the developer UX is more streamlined. - `LintLevelsBuilder` is moved to `rustc_lint::levels`, leaving behind `LintLevelMap/Set` in a purified form due to current constraints (hopefully fixable in the future after https://github.com/rust-lang/rust/pull/68133). - `struct_lint_level` is moved to `rustc::lint` due to current dependency constraints. - `rustc::lint::context` is moved to `rustc_lint::context`. - The visitors in `rustc::lint` are moved to `rustc_lint::passes`.
2020-01-11move in_derive_expansion as Span methodMazdak Farrokhzad-0/+5
2020-01-10Remove unnecessary `const_fn` feature gatesDylan MacKenzie-1/+0
This flag opts out of the min-const-fn checks entirely, which is usually not what we want. The few cases where the flag is still necessary have been annotated.
2020-01-05Remove rustc_hir reexports in rustc::hir.Mazdak Farrokhzad-1/+1
2019-12-30Rename directories for some crates from `syntax_x` to `rustc_x`Vadim Petrochenkov-0/+1672
`syntax_expand` -> `rustc_expand` `syntax_pos` -> `rustc_span` `syntax_ext` -> `rustc_builtin_macros`
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